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发表于 2008-1-30 22:58:30
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来自： 中国江西九江
将下面*后的代码加在CAD2004安装目录下面X:\Program Files\AutoCAD 2004\Support的acad2004doc.lsp中的(defun C:ai_custom_safe ()这一行前面.然后重新启动CAD，输入命令ra就可以标粗糙度了.当然也可以加在其他的行上，但是注意不要破坏其他程序的完整性既可) y: k" O& Q5 I9 @3 w9 m+ G+ f3 ~
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1 v% g$ X2 X1 e) C+ T3 D! c(defun c:ra( / lt txt bas p1 p2 p3 p4 ang tang len os ) 5 x _4 n( u" P: U: @9 L$ H
(setq lt (getvar "ltscale")) 5 D" R7 o7 L! k
(setq txt 3.5
; R! v. Q2 z; e$ i- tp1 "" )
9 A; r2 g4 V" K/ G, ~. z# Z(graphscr) 6 g4 B3 D& c3 X
(setq os (getvar "osmode"))
; I% C% I6 ?$ D9 N3 s(setvar "osmode" 0) 3 B5 o5 z' G1 g7 M
(if (not ra) (setq ra "3.2")) ( k* a! }4 l9 I! g
(while p1
n& i) M5 `1 `/ I(initget "A B C D E F") 0 Y3 d/ a+ C1 y9 _3 _8 K
(setq p1 (getpoint (strcat "\n 粗糙度 A=12.5/B=6.3/C=3.2/D=1.6/E=0.8/F=0.4 <Ra=" ra " 插入点 >: "))) . k+ |. j8 U& l7 ^* ?8 `; d
(cond - F) l* z( I: \) A0 j% }
((not p1)) 9 }3 M" k j0 `7 b+ l
((= p1 "A") (setq ra "12.5"))
3 x& o0 G5 X; |& q+ K2 U((= p1 "B") (setq ra "6.3"))
4 [+ r; P+ g4 Q* K2 _0 O) r. L((= p1 "C") (setq ra "3.2"))
3 d& ^7 m: m- P" c3 U. Y+ N((= p1 "D") (setq ra "1.6")) 7 y6 R4 r- _4 ]8 ^
((= p1 "E") (setq ra "0.8"))
* s. _, `' B, t4 }: x# z((= p1 "F") (setq ra "0.4"))
, L. H3 F |3 v) ^% N(T
2 J& @6 F0 F* V% B/ W2 k (setq bas (osnap p1 "nea")) 2 f/ Y) _1 d, ?6 L4 I* x- |
(if (not bas) : W. i: b: X/ ]5 Z: f$ I
(princ "\n 未选到目标 !") - `4 S8 }- o8 u' M9 A
(progn 8 ]4 m& n: _/ {/ p) _) z' Y
(setq ang (- (angle bas p1) (* pi 0.5)))
+ U6 P2 N% j# l( z" D5 z (if (< ang 0.0) (setq ang (+ ang (* pi 2.0))))
: P0 n: g: |5 _6 [4 C- b. H/ { (setq len (* 1.6166 txt lt))
1 U* H. X8 ]* ~9 d3 M (setq p1 (polar bas (+ ang (/ pi 3)) len)) 4 |7 }2 w% a/ M1 k. G) G5 v2 x
(setq p2 (polar bas (+ ang (* (/ pi 3) 2)) len)) ! b" E: p' x& Z* O
(setq p3 bas) 3 x* q) N; x2 ]
(setq p4 (polar bas (+ ang (/ pi 3)) (* len 2))) + w* x7 ]: E4 q8 w
(command "line" p1 p2 p3 p4 "")
% E; `/ u8 ?% n2 j- `4 ^3 a (setq p1 (polar bas (+ ang (/ pi 2)) (+ len (* (/ txt 2) lt))))
% d' r, L1 E# Q$ C. { C/ Z (if (and (> ang (* pi 0.5)) (<= ang (* pi 1.5))) 7 G8 ~4 C a5 y+ |1 \
(setq tang (+ ang pi))
, E4 ]0 a O5 d (setq tang ang)
9 p' x1 S+ V" J9 x; |" t% c )
3 T$ Z6 @/ j7 ]* U0 S9 u (setq tang (/ (* tang 180) pi)) * \+ \5 f6 y+ w3 K0 o
(command "text" "m" p1 (* txt lt) tang ra)
5 V7 s* H; ?/ C$ t# c ))
; G. _, P! D3 W- `, e))
8 [; v$ H% D2 X- s! `+ r ) - R; X4 s& T# _3 g% f3 `
(setvar "osmode" os) 1 F! [4 g* b. ~5 y
(setq lt t)
# `7 L; F! p7 j)4 Y, g% F' j7 V8 L s9 t& C5 }
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